This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A050928 #4 Jun 09 2023 08:17:22 %S A050928 1,2,6,5,6,6,11,12,16,21,21,19,34,23,41,35,43,52,49,55,58,49,61,69,67, %T A050928 81,79,77,86,74,85,91,92,117,102,99,105,110,101,114,127,128,119,125, %U A050928 126,153,138,160,153,157 %N A050928 Sum of digits of A050926(n). %Y A050928 Cf. A050926. %K A050928 base,easy,nonn %O A050928 1,2 %A A050928 Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 30 1999